Stoichiometry
How many moles are in 24.02 grams of Carbon?
2.000 mol
What type of bond can only form once between two atoms?
Sigma bonds
What is the name of the law that states P1V1=P2V2
Boyle's Law
What is the expression of the equilibrium constant for the following reaction?
N2(g) + 3 H2(g) <--> 2 NH3(g)
[NH3]2/[H2]3[N2]
Which substance is reduced in the following reaction?
Cu2+ + Zn --> Cu + Zn2+
Cu2+
What is Avogadro's number, to four significant figures?
6.022 x 1023
How many electron domains does H2O have?
3
Which of the Noble Gases would behave most ideally at 25 degrees Celsius?
He
If the temperature of the system that a reversible, endothermic reaction is occurring in is increased, what will happen?
The reaction will shift to favor the forward reaction
In a voltaic cell, which electrode gains mass?
The cathode
How many atoms are in 2.50 moles of Aluminum?
1.51 x 1024 atoms
What elements can form polar bonds?
Nitrogen, Oxygen, Fluorine, and Chlorine
If the pressure of a gas in a sealed, rigid container increases, what must also increase?
Temperature
If a strong acid is titrated with a strong base, what will the pH of the solution be at the titration's equivalence point?
7
What would increasing the concentration of the solution in the cathode compartment do to the cell potential?
How many grams of N2 are in 1.75 x 1022 molecules?
0.814 g
Is BF3 polar?
No
If a 2.50 moles of an ideal gas are kept in a 3.50 liter container at 50.0 degrees Celsius, what is the pressure of the gas in atmospheres?
20.1 atm
If the following reaction is occurring in a sealed vessel, and the volume of that vessel is increased, what will happen?
N2(g) + 3 H2(g) <--> 2 NH3(g)
The reaction will shift to favor the reverse reaction
If a voltaic cell has a negative cell potential, what is the sign of its change in Gibbs free energy?
Positive
How many Hydrogen atoms are in 15.0 grams of NH3?
1.59 x 1024 atoms
What is the molecular geometry of SF4?
Seesaw
If 4.75 grams of H2 are kept in a rigid container at STP, what is the volume of the container in liters?
52.7 L
What is the molar solubility of AgCl(s) in pure water?
KSP = 1.8 x 10-10
1.34 x 10-5 M
What would happen to the cell potential of a voltaic cell if the salt bridge was removed?
The cell potential would drop to 0